The nearest airport is in Milan Malpensa Airport (MXP), located 26.2 mi (42.1 km) from the city center. If you're unable to find a flight that fits your schedule, you can also fly into Linate Airport (LIN), which is 7.1 mi (11.4 km) away.
Catch a ride on the metro at Assago Milanofiori Nord Station for ease of access to the rest of the city.